Drug delivery system with magnetic ring and sensors arranged in a ring pattern

a delivery system and magnetic ring technology, applied in the field of drug delivery systems, can solve the problems of misleading basis, inability to build-in electronic data acquisition functionality in the device itself, and inability to easily upload logged information to a computer for data processing, etc., to reduce the strength of disturbing field, reduce both costs and power consumption, and reduce the effect of signal processing requirements
US10682469B2Active Publication Date: 2020-06-16NOVO NORDISK AS
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Patent Information

Authority / Receiving Office
US · United States
Patent Type
Patents(United States)
Current Assignee / Owner
NOVO NORDISK AS
Publication Date
2020-06-16

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Abstract

A drug delivery system comprises an indicator element and a sensor system. The indicator element is arranged to rotate relative to a reference component and corresponding to a reference axis and comprises a magnetic ring. The sensor system comprises a plurality of magnetometers arranged non-rotational relative to the reference component and adapted to determine continuous magnetic field values from the plurality of dipole magnets, as well as processor means configured to determine on the basis of measured values from the plurality of magnetometers a rotational position and / or a rotational movement of the indicator element.
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Description

REFERENCE TO RELATED APPLICATIONS

[0001] This application is a continuation of International Application PCT / EP2018 / 083324 (published as WO 2019 / 110494), filed Dec. 3, 2018, which claimed priority of European Patent Applications 17205062.7, filed Dec. 4, 2017; and 17205063.5, filed Dec. 4, 2017; the contents of all above-named applications are incorporated herein by reference.

[0002] The present invention generally relates to medical systems and devices for which the generation, collecting and storing of data are relevant. In specific embodiments the invention relates to systems and devices for capturing and organizing drug delivery dose data in a reliable and user-friendly way.BACKGROUND OF THE INVENTION

[0003] In the disclosure of the present invention reference is mostly made to drug delivery devices comprising a threaded piston rod driven by a rotating drive member, such devices being used e.g. in the treatment of diabetes by delivery of insulin, however, this is only an exemplary use...

Claims

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